Critical Malicious Code Vulnerability in weaviate-js Package
Summary
MAL-2026-434: Malicious code in weaviate-js (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The weaviate-js package is a JavaScript client for interacting with Weaviate, an open-source vector search engine. It allows developers to integrate advanced AI capabilities into their applications. However, this package has been found to contain malicious code, posing significant security risks to any system utilizing it.
Vulnerability Detail
The vulnerability originates from the discovery of embedded malicious code within the weaviate-js package. This code can compromise any computer that has the package installed, potentially allowing unauthorized access to sensitive information such as secrets and keys. The malicious nature of the code means that simply removing the package may not eliminate all traces of the compromise, as full control of the affected system may have been granted to an external entity.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall weaviate-jsIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a workaround, if you need to maintain functionality while addressing the vulnerability, consider using an alternative package that provides similar capabilities without the associated risks. Additionally, ensure that all secrets and keys stored on the affected system are rotated from a secure environment.
Conclusion
The discovery of malicious code within the weaviate-js package poses a serious threat to users. Immediate action is required to remove the package and secure any sensitive information. Regular monitoring and updates are essential to maintain security in your applications.
See every vulnerability recorded for weaviate-js →
FAQ
weaviate-js is a JavaScript client designed for interacting with the Weaviate vector search engine, enabling developers to leverage AI functionalities in their applications.
If you have the weaviate-js package installed, your system may be compromised. It is recommended to remove the package and rotate any sensitive information.
If immediate removal is not possible, consider using an alternative package and ensure that all sensitive information is secured and rotated.
Currently, there is no patch available for the weaviate-js package. The best course of action is to remove the package from your project.
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